Home / 7,430.16-10,255.14-4,285.92

Finding the Fourth Proportional to 7,430.16, 10,255.14 and 4,285.92

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Solution

The fourth proportional to 7,430.16, 10,255.14 and 4,285.92 is: 5,915.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,430.16 : 10,255.14 = 4,285.92 : x
  2. Step 2: Convert to fraction form
    7,430.16/10,255.14 = 4,285.92/x
  3. Step 3: Cross multiply
    7,430.16x = 10,255.14 × 4,285.92
  4. Step 4: Simplify right side
    7,430.16x = 43,952,709.63
  5. Step 5: Solve for x
    x = 43,952,709.63/7,430.16
  6. Step 6: Final answer
    x = 5,915.45

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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.