Home / 5,307.02-7,963.86-2,020.40

Finding the Fourth Proportional to 5,307.02, 7,963.86 and 2,020.40

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Solution

The fourth proportional to 5,307.02, 7,963.86 and 2,020.40 is: 3,031.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,307.02 : 7,963.86 = 2,020.40 : x
  2. Step 2: Convert to fraction form
    5,307.02/7,963.86 = 2,020.40/x
  3. Step 3: Cross multiply
    5,307.02x = 7,963.86 × 2,020.40
  4. Step 4: Simplify right side
    5,307.02x = 16,090,182.74
  5. Step 5: Solve for x
    x = 16,090,182.74/5,307.02
  6. Step 6: Final answer
    x = 3,031.87

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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.