Home / 7,429.13-10,252.65-4,285.31

Finding the Fourth Proportional to 7,429.13, 10,252.65 and 4,285.31

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Solution

The fourth proportional to 7,429.13, 10,252.65 and 4,285.31 is: 5,914.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,429.13 : 10,252.65 = 4,285.31 : x
  2. Step 2: Convert to fraction form
    7,429.13/10,252.65 = 4,285.31/x
  3. Step 3: Cross multiply
    7,429.13x = 10,252.65 × 4,285.31
  4. Step 4: Simplify right side
    7,429.13x = 43,935,809.20
  5. Step 5: Solve for x
    x = 43,935,809.20/7,429.13
  6. Step 6: Final answer
    x = 5,914.00

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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.