Home / 7,756.32-10,708.80-5,890.08

Finding the Fourth Proportional to 7,756.32, 10,708.80 and 5,890.08

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Solution

The fourth proportional to 7,756.32, 10,708.80 and 5,890.08 is: 8,132.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,756.32 : 10,708.80 = 5,890.08 : x
  2. Step 2: Convert to fraction form
    7,756.32/10,708.80 = 5,890.08/x
  3. Step 3: Cross multiply
    7,756.32x = 10,708.80 × 5,890.08
  4. Step 4: Simplify right side
    7,756.32x = 63,075,688.70
  5. Step 5: Solve for x
    x = 63,075,688.70/7,756.32
  6. Step 6: Final answer
    x = 8,132.17

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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.