Home / 2,925.15-4,386.13-1,756.47

Finding the Fourth Proportional to 2,925.15, 4,386.13 and 1,756.47

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Solution

The fourth proportional to 2,925.15, 4,386.13 and 1,756.47 is: 2,633.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,925.15 : 4,386.13 = 1,756.47 : x
  2. Step 2: Convert to fraction form
    2,925.15/4,386.13 = 1,756.47/x
  3. Step 3: Cross multiply
    2,925.15x = 4,386.13 × 1,756.47
  4. Step 4: Simplify right side
    2,925.15x = 7,704,105.76
  5. Step 5: Solve for x
    x = 7,704,105.76/2,925.15
  6. Step 6: Final answer
    x = 2,633.75

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1.5x scale

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.