Home / 4,717.14-7,075.92-1,430.70

Finding the Fourth Proportional to 4,717.14, 7,075.92 and 1,430.70

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Solution

The fourth proportional to 4,717.14, 7,075.92 and 1,430.70 is: 2,146.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,717.14 : 7,075.92 = 1,430.70 : x
  2. Step 2: Convert to fraction form
    4,717.14/7,075.92 = 1,430.70/x
  3. Step 3: Cross multiply
    4,717.14x = 7,075.92 × 1,430.70
  4. Step 4: Simplify right side
    4,717.14x = 10,123,518.74
  5. Step 5: Solve for x
    x = 10,123,518.74/4,717.14
  6. Step 6: Final answer
    x = 2,146.11

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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.