Home / 5,875.15-8,812.61-1,432.84

Finding the Fourth Proportional to 5,875.15, 8,812.61 and 1,432.84

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Solution

The fourth proportional to 5,875.15, 8,812.61 and 1,432.84 is: 2,149.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,875.15 : 8,812.61 = 1,432.84 : x
  2. Step 2: Convert to fraction form
    5,875.15/8,812.61 = 1,432.84/x
  3. Step 3: Cross multiply
    5,875.15x = 8,812.61 × 1,432.84
  4. Step 4: Simplify right side
    5,875.15x = 12,627,060.11
  5. Step 5: Solve for x
    x = 12,627,060.11/5,875.15
  6. Step 6: Final answer
    x = 2,149.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.