Home / 7,275.51-10,040.45-4,089.36

Finding the Fourth Proportional to 7,275.51, 10,040.45 and 4,089.36

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Solution

The fourth proportional to 7,275.51, 10,040.45 and 4,089.36 is: 5,643.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,275.51 : 10,040.45 = 4,089.36 : x
  2. Step 2: Convert to fraction form
    7,275.51/10,040.45 = 4,089.36/x
  3. Step 3: Cross multiply
    7,275.51x = 10,040.45 × 4,089.36
  4. Step 4: Simplify right side
    7,275.51x = 41,058,994.17
  5. Step 5: Solve for x
    x = 41,058,994.17/7,275.51
  6. Step 6: Final answer
    x = 5,643.45

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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.