Home / 7,518.87-10,368.95-5,608.91

Finding the Fourth Proportional to 7,518.87, 10,368.95 and 5,608.91

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Solution

The fourth proportional to 7,518.87, 10,368.95 and 5,608.91 is: 7,735.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,518.87 : 10,368.95 = 5,608.91 : x
  2. Step 2: Convert to fraction form
    7,518.87/10,368.95 = 5,608.91/x
  3. Step 3: Cross multiply
    7,518.87x = 10,368.95 × 5,608.91
  4. Step 4: Simplify right side
    7,518.87x = 58,158,446.90
  5. Step 5: Solve for x
    x = 58,158,446.90/7,518.87
  6. Step 6: Final answer
    x = 7,735.00

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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.