Home / 4,076.87-6,115.16-1,303.49

Finding the Fourth Proportional to 4,076.87, 6,115.16 and 1,303.49

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Solution

The fourth proportional to 4,076.87, 6,115.16 and 1,303.49 is: 1,955.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,076.87 : 6,115.16 = 1,303.49 : x
  2. Step 2: Convert to fraction form
    4,076.87/6,115.16 = 1,303.49/x
  3. Step 3: Cross multiply
    4,076.87x = 6,115.16 × 1,303.49
  4. Step 4: Simplify right side
    4,076.87x = 7,971,068.46
  5. Step 5: Solve for x
    x = 7,971,068.46/4,076.87
  6. Step 6: Final answer
    x = 1,955.20

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1.5x scale

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.