Home / 7,301.18-10,075.38-4,156.76

Finding the Fourth Proportional to 7,301.18, 10,075.38 and 4,156.76

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Solution

The fourth proportional to 7,301.18, 10,075.38 and 4,156.76 is: 5,736.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,301.18 : 10,075.38 = 4,156.76 : x
  2. Step 2: Convert to fraction form
    7,301.18/10,075.38 = 4,156.76/x
  3. Step 3: Cross multiply
    7,301.18x = 10,075.38 × 4,156.76
  4. Step 4: Simplify right side
    7,301.18x = 41,880,936.57
  5. Step 5: Solve for x
    x = 41,880,936.57/7,301.18
  6. Step 6: Final answer
    x = 5,736.19

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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.