Home / 7,075.56-10,615.57-2,917.53

Finding the Fourth Proportional to 7,075.56, 10,615.57 and 2,917.53

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Solution

The fourth proportional to 7,075.56, 10,615.57 and 2,917.53 is: 4,377.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,075.56 : 10,615.57 = 2,917.53 : x
  2. Step 2: Convert to fraction form
    7,075.56/10,615.57 = 2,917.53/x
  3. Step 3: Cross multiply
    7,075.56x = 10,615.57 × 2,917.53
  4. Step 4: Simplify right side
    7,075.56x = 30,971,176.28
  5. Step 5: Solve for x
    x = 30,971,176.28/7,075.56
  6. Step 6: Final answer
    x = 4,377.20

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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.