Home / 7,501.06-10,351.48-4,143.80

Finding the Fourth Proportional to 7,501.06, 10,351.48 and 4,143.80

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Solution

The fourth proportional to 7,501.06, 10,351.48 and 4,143.80 is: 5,718.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,501.06 : 10,351.48 = 4,143.80 : x
  2. Step 2: Convert to fraction form
    7,501.06/10,351.48 = 4,143.80/x
  3. Step 3: Cross multiply
    7,501.06x = 10,351.48 × 4,143.80
  4. Step 4: Simplify right side
    7,501.06x = 42,894,462.82
  5. Step 5: Solve for x
    x = 42,894,462.82/7,501.06
  6. Step 6: Final answer
    x = 5,718.45

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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.