Home / 6,555.20-9,831.24-1,875.06

Finding the Fourth Proportional to 6,555.20, 9,831.24 and 1,875.06

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Solution

The fourth proportional to 6,555.20, 9,831.24 and 1,875.06 is: 2,812.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,555.20 : 9,831.24 = 1,875.06 : x
  2. Step 2: Convert to fraction form
    6,555.20/9,831.24 = 1,875.06/x
  3. Step 3: Cross multiply
    6,555.20x = 9,831.24 × 1,875.06
  4. Step 4: Simplify right side
    6,555.20x = 18,434,164.87
  5. Step 5: Solve for x
    x = 18,434,164.87/6,555.20
  6. Step 6: Final answer
    x = 2,812.15

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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.