Home / 5,271.87-7,907.54-1,574.13

Finding the Fourth Proportional to 5,271.87, 7,907.54 and 1,574.13

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Solution

The fourth proportional to 5,271.87, 7,907.54 and 1,574.13 is: 2,361.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,271.87 : 7,907.54 = 1,574.13 : x
  2. Step 2: Convert to fraction form
    5,271.87/7,907.54 = 1,574.13/x
  3. Step 3: Cross multiply
    5,271.87x = 7,907.54 × 1,574.13
  4. Step 4: Simplify right side
    5,271.87x = 12,447,488.07
  5. Step 5: Solve for x
    x = 12,447,488.07/5,271.87
  6. Step 6: Final answer
    x = 2,361.11

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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.