Home / 5,375.04-7,417.53-2,985

Finding the Fourth Proportional to 5,375.04, 7,417.53 and 2,985

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Solution

The fourth proportional to 5,375.04, 7,417.53 and 2,985 is: 4,119.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,375.04 : 7,417.53 = 2,985 : x
  2. Step 2: Convert to fraction form
    5,375.04/7,417.53 = 2,985/x
  3. Step 3: Cross multiply
    5,375.04x = 7,417.53 × 2,985
  4. Step 4: Simplify right side
    5,375.04x = 22,141,327.05
  5. Step 5: Solve for x
    x = 22,141,327.05/5,375.04
  6. Step 6: Final answer
    x = 4,119.29

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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.