Home / 5,572.78-8,360.37-1,875.05

Finding the Fourth Proportional to 5,572.78, 8,360.37 and 1,875.05

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Solution

The fourth proportional to 5,572.78, 8,360.37 and 1,875.05 is: 2,812.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,572.78 : 8,360.37 = 1,875.05 : x
  2. Step 2: Convert to fraction form
    5,572.78/8,360.37 = 1,875.05/x
  3. Step 3: Cross multiply
    5,572.78x = 8,360.37 × 1,875.05
  4. Step 4: Simplify right side
    5,572.78x = 15,676,069.97
  5. Step 5: Solve for x
    x = 15,676,069.97/5,572.78
  6. Step 6: Final answer
    x = 2,812.97

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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.