Home / 5,042.76-7,564.69-1,345.01

Finding the Fourth Proportional to 5,042.76, 7,564.69 and 1,345.01

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Solution

The fourth proportional to 5,042.76, 7,564.69 and 1,345.01 is: 2,017.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,042.76 : 7,564.69 = 1,345.01 : x
  2. Step 2: Convert to fraction form
    5,042.76/7,564.69 = 1,345.01/x
  3. Step 3: Cross multiply
    5,042.76x = 7,564.69 × 1,345.01
  4. Step 4: Simplify right side
    5,042.76x = 10,174,547.55
  5. Step 5: Solve for x
    x = 10,174,547.55/5,042.76
  6. Step 6: Final answer
    x = 2,017.66

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.