Home / 2,995.47-4,130.01-2,330.91

Finding the Fourth Proportional to 2,995.47, 4,130.01 and 2,330.91

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Solution

The fourth proportional to 2,995.47, 4,130.01 and 2,330.91 is: 3,213.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,995.47 : 4,130.01 = 2,330.91 : x
  2. Step 2: Convert to fraction form
    2,995.47/4,130.01 = 2,330.91/x
  3. Step 3: Cross multiply
    2,995.47x = 4,130.01 × 2,330.91
  4. Step 4: Simplify right side
    2,995.47x = 9,626,681.61
  5. Step 5: Solve for x
    x = 9,626,681.61/2,995.47
  6. Step 6: Final answer
    x = 3,213.75

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1.5x scale

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.