Home / 5,443.19-7,509.35-3,554.12

Finding the Fourth Proportional to 5,443.19, 7,509.35 and 3,554.12

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Solution

The fourth proportional to 5,443.19, 7,509.35 and 3,554.12 is: 4,903.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,443.19 : 7,509.35 = 3,554.12 : x
  2. Step 2: Convert to fraction form
    5,443.19/7,509.35 = 3,554.12/x
  3. Step 3: Cross multiply
    5,443.19x = 7,509.35 × 3,554.12
  4. Step 4: Simplify right side
    5,443.19x = 26,689,075.70
  5. Step 5: Solve for x
    x = 26,689,075.70/5,443.19
  6. Step 6: Final answer
    x = 4,903.21

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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.