Home / 1,444.71-2,152.14-1,355.07

Finding the Fourth Proportional to 1,444.71, 2,152.14 and 1,355.07

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Solution

The fourth proportional to 1,444.71, 2,152.14 and 1,355.07 is: 2,018.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,444.71 : 2,152.14 = 1,355.07 : x
  2. Step 2: Convert to fraction form
    1,444.71/2,152.14 = 1,355.07/x
  3. Step 3: Cross multiply
    1,444.71x = 2,152.14 × 1,355.07
  4. Step 4: Simplify right side
    1,444.71x = 2,916,300.35
  5. Step 5: Solve for x
    x = 2,916,300.35/1,444.71
  6. Step 6: Final answer
    x = 2,018.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.