Home / 1,702.64-2,555.40-933.68

Finding the Fourth Proportional to 1,702.64, 2,555.40 and 933.68

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Solution

The fourth proportional to 1,702.64, 2,555.40 and 933.68 is: 1,401.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,702.64 : 2,555.40 = 933.68 : x
  2. Step 2: Convert to fraction form
    1,702.64/2,555.40 = 933.68/x
  3. Step 3: Cross multiply
    1,702.64x = 2,555.40 × 933.68
  4. Step 4: Simplify right side
    1,702.64x = 2,385,925.87
  5. Step 5: Solve for x
    x = 2,385,925.87/1,702.64
  6. Step 6: Final answer
    x = 1,401.31

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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.