Home / 5,746.98-7,929.87-3,389.59

Finding the Fourth Proportional to 5,746.98, 7,929.87 and 3,389.59

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Solution

The fourth proportional to 5,746.98, 7,929.87 and 3,389.59 is: 4,677.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,746.98 : 7,929.87 = 3,389.59 : x
  2. Step 2: Convert to fraction form
    5,746.98/7,929.87 = 3,389.59/x
  3. Step 3: Cross multiply
    5,746.98x = 7,929.87 × 3,389.59
  4. Step 4: Simplify right side
    5,746.98x = 26,878,968.40
  5. Step 5: Solve for x
    x = 26,878,968.40/5,746.98
  6. Step 6: Final answer
    x = 4,677.06

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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.