Home / 3,088.92-4,262.78-1,762.55

Finding the Fourth Proportional to 3,088.92, 4,262.78 and 1,762.55

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Solution

The fourth proportional to 3,088.92, 4,262.78 and 1,762.55 is: 2,432.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,088.92 : 4,262.78 = 1,762.55 : x
  2. Step 2: Convert to fraction form
    3,088.92/4,262.78 = 1,762.55/x
  3. Step 3: Cross multiply
    3,088.92x = 4,262.78 × 1,762.55
  4. Step 4: Simplify right side
    3,088.92x = 7,513,332.76
  5. Step 5: Solve for x
    x = 7,513,332.76/3,088.92
  6. Step 6: Final answer
    x = 2,432.35

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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.