Home / 5,175,327.89-7,142,000.90-2,852,305.53

Finding the Fourth Proportional to 5,175,327.89, 7,142,000.90 and 2,852,305.53

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Solution

The fourth proportional to 5,175,327.89, 7,142,000.90 and 2,852,305.53 is: 3,936,208.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,175,327.89 : 7,142,000.90 = 2,852,305.53 : x
  2. Step 2: Convert to fraction form
    5,175,327.89/7,142,000.90 = 2,852,305.53/x
  3. Step 3: Cross multiply
    5,175,327.89x = 7,142,000.90 × 2,852,305.53
  4. Step 4: Simplify right side
    5,175,327.89x = 20,371,168,648,073.45
  5. Step 5: Solve for x
    x = 20,371,168,648,073.45/5,175,327.89
  6. Step 6: Final answer
    x = 3,936,208.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.