Home / 1,708.32-2,357.28-962.28

Finding the Fourth Proportional to 1,708.32, 2,357.28 and 962.28

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Solution

The fourth proportional to 1,708.32, 2,357.28 and 962.28 is: 1,327.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,708.32 : 2,357.28 = 962.28 : x
  2. Step 2: Convert to fraction form
    1,708.32/2,357.28 = 962.28/x
  3. Step 3: Cross multiply
    1,708.32x = 2,357.28 × 962.28
  4. Step 4: Simplify right side
    1,708.32x = 2,268,363.40
  5. Step 5: Solve for x
    x = 2,268,363.40/1,708.32
  6. Step 6: Final answer
    x = 1,327.83

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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.