Home / 4,756.24-7,132.47-1,981.45

Finding the Fourth Proportional to 4,756.24, 7,132.47 and 1,981.45

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Solution

The fourth proportional to 4,756.24, 7,132.47 and 1,981.45 is: 2,971.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,756.24 : 7,132.47 = 1,981.45 : x
  2. Step 2: Convert to fraction form
    4,756.24/7,132.47 = 1,981.45/x
  3. Step 3: Cross multiply
    4,756.24x = 7,132.47 × 1,981.45
  4. Step 4: Simplify right side
    4,756.24x = 14,132,632.68
  5. Step 5: Solve for x
    x = 14,132,632.68/4,756.24
  6. Step 6: Final answer
    x = 2,971.39

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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.