Home / 5,476.95-7,556.85-3,118.95

Finding the Fourth Proportional to 5,476.95, 7,556.85 and 3,118.95

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Solution

The fourth proportional to 5,476.95, 7,556.85 and 3,118.95 is: 4,303.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,476.95 : 7,556.85 = 3,118.95 : x
  2. Step 2: Convert to fraction form
    5,476.95/7,556.85 = 3,118.95/x
  3. Step 3: Cross multiply
    5,476.95x = 7,556.85 × 3,118.95
  4. Step 4: Simplify right side
    5,476.95x = 23,569,437.31
  5. Step 5: Solve for x
    x = 23,569,437.31/5,476.95
  6. Step 6: Final answer
    x = 4,303.39

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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.