Home / 3,913.48-5,870.58-1,140.04

Finding the Fourth Proportional to 3,913.48, 5,870.58 and 1,140.04

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Solution

The fourth proportional to 3,913.48, 5,870.58 and 1,140.04 is: 1,710.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,913.48 : 5,870.58 = 1,140.04 : x
  2. Step 2: Convert to fraction form
    3,913.48/5,870.58 = 1,140.04/x
  3. Step 3: Cross multiply
    3,913.48x = 5,870.58 × 1,140.04
  4. Step 4: Simplify right side
    3,913.48x = 6,692,696.02
  5. Step 5: Solve for x
    x = 6,692,696.02/3,913.48
  6. Step 6: Final answer
    x = 1,710.16

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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.