Home / 1,708.02-2,357.31-1,045.02

Finding the Fourth Proportional to 1,708.02, 2,357.31 and 1,045.02

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Solution

The fourth proportional to 1,708.02, 2,357.31 and 1,045.02 is: 1,442.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,708.02 : 2,357.31 = 1,045.02 : x
  2. Step 2: Convert to fraction form
    1,708.02/2,357.31 = 1,045.02/x
  3. Step 3: Cross multiply
    1,708.02x = 2,357.31 × 1,045.02
  4. Step 4: Simplify right side
    1,708.02x = 2,463,436.10
  5. Step 5: Solve for x
    x = 2,463,436.10/1,708.02
  6. Step 6: Final answer
    x = 1,442.28

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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.