Home / 3,435.18-4,740.50-1,943.06

Finding the Fourth Proportional to 3,435.18, 4,740.50 and 1,943.06

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Solution

The fourth proportional to 3,435.18, 4,740.50 and 1,943.06 is: 2,681.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,435.18 : 4,740.50 = 1,943.06 : x
  2. Step 2: Convert to fraction form
    3,435.18/4,740.50 = 1,943.06/x
  3. Step 3: Cross multiply
    3,435.18x = 4,740.50 × 1,943.06
  4. Step 4: Simplify right side
    3,435.18x = 9,211,075.93
  5. Step 5: Solve for x
    x = 9,211,075.93/3,435.18
  6. Step 6: Final answer
    x = 2,681.40

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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.